In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.
lists.opensuse.org/opensuse-security-announce/2020-08/msg00039.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00040.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00046.html
lists.opensuse.org/opensuse-security-announce/2020-09/msg00054.html
bugzilla.suse.com/show_bug.cgi?id=1173521
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J52QFVREJWJ35YSEEDDRMZQ2LM2H2WE6/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y46FOVJUS5SO44A2VEKR7DXEHTI4WK5L/
security.gentoo.org/glsa/202007-06
sourceforge.net/p/hylafax/HylaFAX+/2534/